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Fencer Intel
medium 5.0

CVE-2012-4466 json

Ruby 1.8.7 before patchlevel 371, 1.9.3 before patchlevel 286, and 2.0 before revision r37068 allows context-dependent attackers to bypass…

published 2013-04-25 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4395

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Ruby 1.8.7 before patchlevel 371, 1.9.3 before patchlevel 286, and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the name_err_mesg_to_str API function, which marks the string as tainted, a different vulnerability than CVE-2011-1005.

Patch / fix

  • php openshift 1 5.3.3-22.el6
  • graphviz openshift 1 2.26.0-10.el6
  • php-imap openshift 1 5.3.3-22.el6
  • php-bcmath openshift 1 5.3.3-22.el6
  • graphviz-gd openshift 1 2.26.0-10.el6
  • php-process openshift 1 5.3.3-22.el6
  • php-mbstring openshift 1 5.3.3-22.el6
  • ruby193-ruby openshift 1 1.9.3.327-25.el6

red hat advisories RHSA-2013:0582

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4466 updated cvss 4.3

ruby: safe level bypass via name_err_mesg_to_str()

  • Red Hat OpenShift Enterprise Infrastructure graphviz 2.26.0-10.el6, graphviz-gd 2.26.0-10.el6, rubygem-bson 1.8.1-2.el6op, graphviz-ruby 2.26.0-10.el6, rubygem-mongo 1.8.1-2.el6op, ruby193-ruby 1.9.3.327-25.el6, +25 more Red Hat OpenShift Enterprise JBoss EAP add-on openshift-origin-cartridge-jbosseap-6.0 1.0.4-1.el6op Red Hat OpenShift Enterprise Node php 5.3.3-22.el6, php-imap 5.3.3-22.el6, php-bcmath 5.3.3-22.el6, php-process 5.3.3-22.el6, php-mbstring 5.3.3-22.el6, rubygem-bson 1.8.1-2.el6op, +32 more
    fixed: vendor fix RHSA-2013:0582
  • Red Hat Enterprise Linux 5 ruby Red Hat Enterprise Linux 6 ruby, ruby-ri, ruby-irb, ruby-libs, ruby-rdoc, ruby-tcltk
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.62% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.